The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 1995
Filed:
Dec. 21, 1993
Applicant:
Inventors:
Klein A Rodrigues, Duncan, OK (US);
Donald W Lindsey, Marlow, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166293 ; 106714 ; 106808 ;
Abstract
Set retarded ultra fine cement compositions which remain pumpable for a predictable period of time at temperatures up to about 400.degree. F. are provided. The compositions are basically comprised of an ultra fine hydraulic cement, sufficient water to form a pumpable slurry and a set retarder comprised of a water soluble aliphatic compound containing at least three carbon atoms and at least one phosphonic acid or phosphonate group.
Rodrigues, Klein. (1995). Set retarded ultra fine cement compositions and methods (U.S. Patent No. 5398759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5398759
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile